Agilent Technologies 53220A, Руководство пользователя

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224 53220A/53230A User’s Guide
6 53220A/53230A Math, Graphing, and Data Logging
Trend Charts
Reading trends for a given number of counter measurements ( except continu-
ous totalize ) or timestamps can be represented within a 53220A/53230A
trend chart, also known as a run chart.
Figure 6-8 shows the components of a typical counter trend chart.
Figure 6-8. Trend Chart Display Format (without decimation).
Y Max: maximum reading value within display span
Y Min: minimum reading value within display span
Span: (Y Max – Y Min)
Function
Channel
Current reading count
(memory)
Maximum and minimum scale
boundaries and reading units.
Boundaries can be auto-scaled or set
manually. Auto-scaled boundaries
keep all readings within the display
range.
reading indices
Mkr 1: reading value at Marker1 location
Mkr 2: reading value at Marker2 location
Span: difference in values between
marker locations
Reading: marker’s location in reading count
Span: number of readings between
marker locations
Trend Window
(100 points)
position window - for marker, zoom,
and pan adjustment the decimal
position (i.e. 1000's, 100's, 10's, 1's)
highlighted by the arrow keys sets
the amount of movement (coarse –
fine) for each tick of the rotary knob.